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Augmenting Response to Entecavir With Peginterferon a-2a for the Treatment of HBeAg-positive Chronic Hepatitis B

Augmenting Response to Entecavir Using a Temporary Peginterferon Alpha-2a add-on Strategy for the Treatment of HBeAg-positive Chronic Hepatitis B

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00877760
Acronym
ARES
Enrollment
184
Registered
2009-04-08
Start date
2009-08-31
Completion date
2013-07-31
Last updated
2014-03-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Hepatitis B

Keywords

Hepatitis B Entecavir pegylated interferon a-2a

Brief summary

The purpose of this study is to investigate whether it is possible to augment the response of patients with HBeAg-positive chronic hepatitis B to entecavir by using a temporary peginterferon alpha-2a add-on strategy

Interventions

DRUGpegylated interferon a-2a

180 μg, once per week s.c. for 24 weeks

DRUGEntecavir

0.5 mg once daily per os, either 72 weeks or 96 weeks

Sponsors

Foundation for Liver Research
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Chronic hepatitis B (HBsAg positive \> 6 months) * HBeAg positive, anti-HBe negative at screening * ALT \> 1.3 x ULN within 60 days prior to screening and during screening * Liver biopsy performed within 2 years prior to screening or during screening * Age \> 18 years * Written informed consent * Adequate contraception for males and females during treatment and follow up; negative pregnancy test (for women of childbearing potential)

Exclusion criteria

* Antiviral therapy against HBV within the previous 6 months * Treatment with any investigational drug within 30 days of screening * Previous treatment with lamivudine or telbivudine for more than six months * Severe hepatitis activity as documented by ALT\>10 x ULN * History of decompensated cirrhosis (defined as jaundice in the presence of cirrhosis, ascites, bleeding gastric or esophageal varices or encephalopathy) * Pre-existent neutropenia (neutrophils \< 1,500/mm3) or thrombocytopenia (platelets \< 90,000/mm3) * Co-infection with hepatitis C virus or human immunodeficiency virus (HIV) * Other acquired or inherited causes of liver disease (i.e. alcoholic liver disease, obesity induced liver disease, drug related liver disease, auto-immune hepatitis, hemochromatosis, Wilson's disease or alpha-1 antitrypsin deficiency) * Alpha fetoprotein \> 50 ng/ml * Hyper- or hypothyroidism (subjects requiring medication to maintain TSH levels in the normal range are eligible if all other inclusion/

Design outcomes

Primary

MeasureTime frame
The combined presence of HBV DNA level < 200 IU/mL and HBeAg lossweek 48

Secondary

MeasureTime frame
The emergence of HBV polymerase mutations associated with reduced susceptibility to entecavirup to week 96
Sustained response defined as the combined presence of HBV DNA level < 200 IU/mL and HBeAg lossweek 96
ALT normalizationup to week 96
Undetectable HBV DNA <60 IU/mLup to week 96
HBsAg and HBeAg loss from serumup to week 96

Countries

China, Netherlands, Poland, Romania, Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 22, 2026